Parse error at u: usage might be invalid MATLAB syntax.
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I want to draw a curve of a cubic equation in SIMULINK, which shows a syntax error. I don’t know what the error is.

回答(1 个)
If you want to multiply you need a *
y=-0.0811*u^3...
Also consider if you want to raise a vector to the power of 3, you probably want .^
y=-0.0811*u.^3...
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